65 75 055 Removing and installing/replacing emergency power siren with tilt sensor

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove REAR BUMPER TRIM CARRIER

Release nut (1) and remove emergency power siren (2).

Fig 1: Identifying Nut And Emergency Power Siren

Courtesy of BMW OF NORTH AMERICA, INC.